/Engine/Source/Runtime/SignalProcessing/Public/DSP/DeinterleaveView.h
Return an STL iterator to the first channel. It fills the given array with channel elements
template<typename InAllocator> [TChannelIterator](API\Runtime\SignalProcessing\DSP\TDeinterleaveView\TChannelIterator)< InAllocator > begin ( [TArray](API\Runtime\Core\Containers\TArray)< T, InAllocator > & InArrayToFill ) const